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Maintenance &Troubleshooting
8
INTRODUCTION
MAINTENANCE
Monthly Checklist
Yearly Checklist
28
This section is divided into two parts:
•The first part describes the maintenance procedures.
•The second part describes troubleshooting procedures, from identifying prob- lems to interpreting the operating conditions by the lit LEDs on the front cover.
Preventative maintenance is the key to a reliable, safe and efficient system. The core of any preventive maintenance program is a list of periodic tasks.
In the paragraphs that follow are suggestions for a monthly list and a yearly list.
Note:
The monthly list and the yearly list are an average interval. If your environment is dirty, then the intervals may be shorter.
Caution:
Turn off power before disconnecting or installing sensors, controls or modules.
1.Inspect
2.Test all the alarm systems for proper signals.
3.Check ignition spark electrodes and check proper gap.
4.Test interlock sequence of all safety equipment as described on page 27: manually make each interlock fail, noting what related equipment closes or stops as specified by the manufacturer.
Test flame safeguard by manually shutting off gas to the burner.
1.Test (leak test) safety
2.Test pressure switch settings by checking switch movements against pres- sure setting and comparing with actual impulse pressure.
3.Visually check ignition cable and connectors.
4.Make sure that the following components are not damaged or distorted:
•the burner nozzle
•the spark plugs
•the flame sensors
•the flame tube or combustion block of the burner
Eclipse